Korean Journal of Veterinary Research 2000;40(3):439-450.
Scanning electronic microscopical studies on the development of the tongue in fetuses and neonates of Korean native goats
Chong-sup Kim1, Gyu-hyen Cho1, Joung-hwan Lee2, Soo-dong Kwak1, Chi-won Song3, Chung-kil Won4
1Institute of Animal Medicine, College of Veterinary Medicine, Gyungsang National University
2College of Veterinary Medicine, Chonnam National University
3College of Veterinary Medicine, Chungnam National University
4Department of Medicine and Neurobiology, University of Alabama
한국재래산양의 태아 및 신생아 혀유두 발달에 관한 주사전자현미경적 연구
김종섭1, 조규현1, 이종환2, 곽수동1, 송치원3, 원청길4
1경상대학교 수의과대학, 동물의학연구소
2전남대학교 수의과대학
3충남대학교 수의과대학
4미국 Alabama 대학교, 의학 및 신경생물학과
The morphological development of lingual papillae in fetuses between 60, 90, 120 days gestation and neonates of Korean native goat were investigated by scanning electron microscopy. In 60 day old fetuses, the primordia of lingual papillae were observed on the dorsal surface epithelium and those of papillae were primordial fungiform, vallate and conical papillae. The many of microridges and microplicae were observed on the surface of those epithelial cells. In 90 day old fetuses, the rudiment of lentiform and filiform papillae were appeared. There were microplicaes on the surface of the conical papillae epithelium. In the 120 day old fetuses, the lingual papillaes were well developed. The taste bud were opened on the top of vallate papillae that were compactly many of short microvilli. Moreover, secondary papillae partially were observed on top of vallate papillae. In neonate, the fungiform, vallate and lentiform papillae were similar to the adult lingual papillae, but filiform and conical papillae were different from the mature lingual papillae. The outline of filiform papillae were irregularly in indented, but those of conical papillae were regularly. The diameters of filiform, fungiform, conical, vallate and lentiform papillae were about 80~100, 190~250, 230~470, 360~670 and $730{sim}1,140{mu}m$, respectively. The height of filiform and conical papillae were about $130{sim}140{mu}m$ and $145{sim}250{mu}m$.
Key Words: Korean native goat, lingual papillae, development

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